diff options
Diffstat (limited to 'drivers/unix/os_unix.cpp')
| -rw-r--r-- | drivers/unix/os_unix.cpp | 69 |
1 files changed, 62 insertions, 7 deletions
diff --git a/drivers/unix/os_unix.cpp b/drivers/unix/os_unix.cpp index 00f84eba8c..52a4d538e1 100644 --- a/drivers/unix/os_unix.cpp +++ b/drivers/unix/os_unix.cpp @@ -65,6 +65,21 @@ #include <time.h> #include <unistd.h> +#if defined(OSX_ENABLED) || (defined(__ANDROID_API__) && __ANDROID_API__ >= 28) +// Random location for getentropy. Fitting. +#include <sys/random.h> +#define UNIX_GET_ENTROPY +#elif defined(__FreeBSD__) || defined(__OpenBSD__) || (defined(__GLIBC_MINOR__) && (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 26)) +// In <unistd.h>. +// One day... (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 700) +// https://publications.opengroup.org/standards/unix/c211 +#define UNIX_GET_ENTROPY +#endif + +#if !defined(UNIX_GET_ENTROPY) && !defined(NO_URANDOM) +#include <fcntl.h> +#endif + /// Clock Setup function (used by get_ticks_usec) static uint64_t _clock_start = 0; #if defined(__APPLE__) @@ -91,7 +106,7 @@ static void _setup_clock() { void OS_Unix::debug_break() { assert(false); -}; +} static void handle_interrupt(int sig) { if (!EngineDebugger::is_active()) { @@ -150,6 +165,31 @@ String OS_Unix::get_stdin_string(bool p_block) { return ""; } +Error OS_Unix::get_entropy(uint8_t *r_buffer, int p_bytes) { +#if defined(UNIX_GET_ENTROPY) + int left = p_bytes; + int ofs = 0; + do { + int chunk = MIN(left, 256); + ERR_FAIL_COND_V(getentropy(r_buffer + ofs, chunk), FAILED); + left -= chunk; + ofs += chunk; + } while (left > 0); +#elif !defined(NO_URANDOM) + int r = open("/dev/urandom", O_RDONLY); + ERR_FAIL_COND_V(r < 0, FAILED); + int left = p_bytes; + do { + ssize_t ret = read(r, r_buffer, p_bytes); + ERR_FAIL_COND_V(ret <= 0, FAILED); + left -= ret; + } while (left > 0); +#else + return ERR_UNAVAILABLE; +#endif + return OK; +} + String OS_Unix::get_name() const { return "Unix"; } @@ -158,7 +198,7 @@ double OS_Unix::get_unix_time() const { struct timeval tv_now; gettimeofday(&tv_now, nullptr); return (double)tv_now.tv_sec + double(tv_now.tv_usec) / 1000000; -}; +} OS::Date OS_Unix::get_date(bool p_utc) const { time_t t = time(nullptr); @@ -370,7 +410,16 @@ Error OS_Unix::kill(const ProcessID &p_pid) { int OS_Unix::get_process_id() const { return getpid(); -}; +} + +bool OS_Unix::is_process_running(const ProcessID &p_pid) const { + int status = 0; + if (waitpid(p_pid, &status, WNOHANG) != 0) { + return false; + } + + return true; +} bool OS_Unix::has_environment(const String &p_var) const { return getenv(p_var.utf8().get_data()) != nullptr; @@ -389,7 +438,7 @@ String OS_Unix::get_locale() const { return locale; } -Error OS_Unix::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) { +Error OS_Unix::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path, String *r_resolved_path) { String path = p_path; if (FileAccess::exists(path) && path.is_relative_path()) { @@ -399,17 +448,22 @@ Error OS_Unix::open_dynamic_library(const String p_path, void *&p_library_handle } if (!FileAccess::exists(path)) { - //this code exists so gdnative can load .so files from within the executable path + // This code exists so GDExtension can load .so files from within the executable path. path = get_executable_path().get_base_dir().plus_file(p_path.get_file()); } if (!FileAccess::exists(path)) { - //this code exists so gdnative can load .so files from a standard unix location + // This code exists so GDExtension can load .so files from a standard unix location. path = get_executable_path().get_base_dir().plus_file("../lib").plus_file(p_path.get_file()); } p_library_handle = dlopen(path.utf8().get_data(), RTLD_NOW); ERR_FAIL_COND_V_MSG(!p_library_handle, ERR_CANT_OPEN, "Can't open dynamic library: " + p_path + ". Error: " + dlerror()); + + if (r_resolved_path != nullptr) { + *r_resolved_path = path; + } + return OK; } @@ -515,8 +569,9 @@ String OS_Unix::get_executable_path() const { char *resolved_path = new char[buff_size + 1]; - if (_NSGetExecutablePath(resolved_path, &buff_size) == 1) + if (_NSGetExecutablePath(resolved_path, &buff_size) == 1) { WARN_PRINT("MAXPATHLEN is too small"); + } String path(resolved_path); delete[] resolved_path; |